Howbeit if hereafter the one party or the other shall think to meet to add or diminish any thing, they may do it at their pleasures, and whatsoever they shall add or take away shall be ratified.
WEB
But if hereafter the one party and the other shall determine to add or diminish anything, they shall do it at their pleasure, and whatever they add or take away shall be ratified.
DRC
And if after this one party or the other shall have a mind to add to these articles, or take away anything, they may do it at their pleasure: and whatsoever they shall add, or take away, shall be ratified.
LXXE
Howbeit if hereafter the one party or the other shall think meet to add or diminish any thing, they may do it at their pleasures, and whatsoever they shall add or take away shall be ratified.